Multi-raw-material conveying pump

By installing a cooling device at the motor end of the spiral impeller pump, and using a semiconductor refrigeration chip and a water pump for heat exchange and cooling, the problem of motor overheating in the spiral impeller pump during the conveying of various raw materials is solved, thus extending the service life of the equipment.

CN224017456UActive Publication Date: 2026-03-20JIANGSU SENRONG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

When transporting multiple raw materials, existing spiral impeller pumps cause heat buildup because the motor bears the entire driving load, leading to aging of insulation materials, motor damage, and even motor burnout, thus reducing service life.

Method used

A cooling device is installed at the motor end of the spiral impeller pump, including a water tank and a semiconductor cooling chip. The water tank is installed and fixed on the base by a detachable device, and the cooling chip and the water pump are used for heat exchange and cooling.

Benefits of technology

By installing a cooling device, heat buildup at the motor end is avoided, reducing the probability of insulation material aging and motor damage, and extending the service life of the spiral impeller pump.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a delivery pump for various raw materials, which relates to the field of delivery pumps, comprises a spiral impeller delivery pump, and is provided with a cooling device, so that in the process that the spiral impeller delivery pump alternately delivers various raw materials, a semiconductor chilling plate can be communicated with a power supply while the water pump is started; then water is injected into the water tank from an inlet of the water tank, a semiconductor chilling plate can reduce the temperature of the surface of the water tank, heat exchange occurs to reduce the temperature when the water in the water tank makes contact with the inner wall of the water tank, and then the water is pumped into a connecting pipe through a water pump and then flows into two flow guide pipe frames; the flow guide pipe frame makes contact with the outer surface of the motor end of the spiral impeller delivery pump and then exchanges heat with the motor end for cooling treatment, the overheating phenomenon caused by heat accumulation of the motor end of the spiral impeller delivery pump is avoided, the probability of aging of insulating materials and damage to the motor is reduced, and the service life of the spiral impeller delivery pump is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of delivery pump especially, it is a kind of multiple raw material delivery pump. BACKGROUND

[0002] Delivery pump is a kind of mechanical equipment for conveying liquid or gas, it is conveyed by mechanical energy liquid or gas from one place to another, multiple raw material delivery pump refers to the pump that can simultaneously or alternately deliver multiple different types of raw materials or materials, it is mainly used to handle multiple raw materials, mixture or in the scene that different materials need to be alternately delivered in production process, these raw materials can be liquid, semi-solid, granular, slurry etc., usually in chemical, food, pharmaceutical, mining and other industries.

[0003] The existing spiral impeller delivery pump is designed with multiple feed ports to simultaneously or alternately deliver multiple different types of raw materials and materials to improve applicability, in the process of conveying raw materials using spiral impeller delivery pump, since the motor on one side bears the driving load of the entire spiral impeller delivery pump in the working process, heat will be generated when current passes through motor coil, if the operating load of spiral impeller delivery pump is too large or the efficiency of motor is low, heat will accumulate, causing motor overheating, which leads to insulation material aging, motor damage, efficiency reduction, and even possible motor burnout, thereby reducing the service life of spiral impeller delivery pump. SUMMARY

[0004] The technical problem to be solved by the utility model is that in the process of conveying raw materials using spiral impeller delivery pump, since the motor on one side bears the driving load of the entire spiral impeller delivery pump in the working process, heat will be generated when current passes through motor coil, if the operating load of spiral impeller delivery pump is too large or the efficiency of motor is low, heat will accumulate, causing motor overheating, which leads to insulation material aging, motor damage, efficiency reduction, and even possible motor burnout, thereby reducing the service life of spiral impeller delivery pump.

[0005] The technical solution adopted by the utility model to solve its technical problem is: a multiple raw material delivery pump, including spiral impeller delivery pump, the outer surface of one end of the spiral impeller delivery pump is provided with base, the outer surface of motor end of the spiral impeller delivery pump is provided with cooling device, the cooling device can heat exchange and cooling treatment to water in water tank through semiconductor refrigerating sheet, then the water is pumped into the inside of flow guide pipe frame by water pump, so that the flow guide pipe frame is in contact with the outer surface of motor end of spiral impeller delivery pump and heat exchange and cooling treatment is carried out.

[0006] Preferably, the cooling device comprises a water tank and a semiconductor refrigeration sheet, one side of the water tank is provided with a detachable device with one side of the base, the inner wall of the semiconductor refrigeration sheet is fixedly installed on the outer surface of the water tank, and a water pump is fixedly installed at the outlet of the water tank; a connecting pipe, one end of the connecting pipe is fixedly installed at the outlet of the water pump; two flow guide pipe racks, two ends of the two flow guide pipe racks are respectively installed through the connecting pipe and one side of the water tank and extend into the inner wall.

[0007] The above components achieve the following effects: by setting the cooling device, the existing spiral impeller conveying pump is designed with multiple feed ports to simultaneously or alternately convey multiple different types of raw materials and materials. During the alternating conveying of the spiral impeller conveying pump for multiple raw materials, the water tank is first installed and fixed on the base by means of the detachable device, and the flow guide pipe rack is fixed on the outer surface of the motor end of the spiral impeller conveying pump. The water pump can be started at the same time as the semiconductor refrigeration sheet is connected to the power supply. Then water is injected into the water tank from the inlet of the water tank. The semiconductor refrigeration sheet reduces the temperature of the surface of the water tank, so that the water inside the water tank exchanges heat with the inner wall of the water tank to reduce the temperature. Then the water pump draws the water into the connecting pipe, and then into the two flow guide pipe racks. The flow guide pipe rack exchanges heat with the outer surface of the motor end of the spiral impeller conveying pump to cool it down, preventing the motor end of the spiral impeller conveying pump from overheating due to heat accumulation, reducing the probability of aging of the insulating material and damage to the motor, and prolonging the service life of the spiral impeller conveying pump.

[0008] Preferably, a limiting rack is symmetrically fixed on one side of the spiral impeller conveying pump, and one end of the flow guide pipe rack is inserted into the inner wall of the limiting rack.

[0009] The above components achieve the following effects: by setting the limiting rack, one end of the flow guide pipe rack can be limited and supported, so that it is not easy to shake during use.

[0010] Preferably, a plurality of flow guide plates are symmetrically fixed on the inner wall of the water tank, and the flow guide plates are fixed in the inner wall of the water tank in an inclined staggered manner.

[0011] The above components achieve the following effects: by setting the flow guide plates, the flow path of the water in the water tank can be extended, facilitating full contact with the inner wall of the water tank and improving the efficiency of heat exchange and cooling.

[0012] Preferably, the detachable device comprises two support rods, one end of each support rod is fixedly installed on the bottom of the water tank; two recessed blocks, one side of each recessed block is fixedly installed on one side of the base, one side of each recessed block is rotatably installed with a limiting rod, one side of each recessed block is fixedly installed with a limiting block, one end of the limiting rod is inserted into the inner wall of the limiting block, and one end of the support rod is inserted into the inner wall of the recessed block.

[0013] The effect achieved by the above components is that: by setting the detachable device, when the replaced and maintained water tank and the flow guide pipe frame are installed on the outer surface of one end of the spiral impeller conveying pump, the position between the two flow guide pipe frames can be sleeved on the outer surface of the motor end of the spiral impeller conveying pump, then the supporting rod is aligned with the inner wall of the recess block and inserted, finally the limiting rod is rotated to a certain angle, and one side of the limiting rod is inserted and clamped in the inner wall of the limiting block, so that the supporting rod can be limited and fixed in the inner wall of the recess block, and the water tank can be fixed and installed on the base, the motor end of the spiral impeller conveying pump can be conveniently cooled and cooled, and the water tank can also be conveniently disassembled, replaced and stored.

[0014] Preferably, the inner wall of the recess block is provided with chamfers on both sides.

[0015] The effect achieved by the above components is that: by setting the chamfer, the area of the entrance of the recess block can be increased, the supporting rod can be quickly aligned and inserted, and installation is facilitated.

[0016] Preferably, the limiting block is made of magnet material, the limiting rod is made of iron material, and one side of the limiting block is magnetically attracted to one side of the end of the limiting rod.

[0017] The effect achieved by the above components is that: by setting the limiting block to be made of magnet material and the limiting rod to be made of iron material, the limiting rod can be inserted into the inner wall of the limiting block, and the limiting is more firm.

[0018] Preferably, one side of the supporting rod is fixedly provided with a reinforcing rod, and one side of the reinforcing rod is fixedly installed on the bottom of the water tank.

[0019] The effect achieved by the above components is that: by setting the reinforcing rod, the connecting area between the water tank and the supporting rod can be increased, and the connection is more firm and stable.

[0020] The beneficial effects of the utility model are:

[0021] By setting the cooling device, in the process of the spiral impeller conveying pump conveying a plurality of raw materials alternately, the water pump can be started at the same time, the semiconductor refrigeration sheet is connected to the power supply, then water is injected into the water tank, the semiconductor refrigeration sheet can reduce the temperature of the surface of the water tank, so that the water in the water tank can be cooled when contacting the inner wall of the water tank, then the water pump can pump the water into the connecting pipe, and the water can flow into the two flow guide pipe frames, so that the flow guide pipe frame can be in thermal exchange with the motor end of the spiral impeller conveying pump to cool the motor end, so that the spiral impeller conveying pump can be prevented from being overheated due to heat accumulation, the probability of aging of the insulating material and damage of the motor is reduced, and the service life of the spiral impeller conveying pump is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0022] The utility model will be further explained in connection with the drawings and examples.

[0023] Fig. 1 It is the structure schematic diagram of the utility model.

[0024] Fig. 2 It is the three-dimensional structure schematic diagram of the water tank of the utility model;

[0025] Fig. 3 It is the three-dimensional structure schematic diagram of the flow guide pipe frame of the utility model;

[0026] Fig. 4 It is the three-dimensional structure schematic diagram of the spiral impeller conveying pump of the utility model.

[0027] Legend: 1, spiral impeller conveying pump;2, cooling device;3, detachable device;4, base;21, water tank;22, semiconductor refrigeration sheet;23, water pump;24, connecting pipe;25, flow guide pipe frame;26, limiting frame;27, flow guide plate;31, support rod;32, recess block;33, limiting rod;34, limiting block;35, reinforcing rod. DETAILED DESCRIPTION

[0028] The utility model will be further explained in connection with the drawings and examples.

[0029] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0030] Figs. 1-4 The utility model provides a kind of multiple raw material conveying pump shown, including screw impeller conveying pump 1 (model is RVN 100), the outer surface of one end of screw impeller conveying pump 1 is provided with base 4, the outer surface of motor end of screw impeller conveying pump 1 is provided with cooling device 2, cooling device 2 can be cooled by heat exchange by semiconductor refrigerating fin 22 to the water in the inside of water tank 21, then it is extracted into the inside of flow guide pipe frame 25 by water pump 23, so that flow guide pipe frame 25 is contacted with the outer surface of motor end of screw impeller conveying pump 1 after it, and it is cooled by heat exchange.

[0031] Figs. 1-4 Cooling device 2 shown includes water tank 21 and semiconductor refrigerating fin 22, the side between water tank 21 and the side of base 4 is provided with detachable device 3, the inner wall of semiconductor refrigerating fin 22 is fixedly installed on the outer surface of water tank 21, and water pump 23 is fixedly installed at the outlet of water tank 21;Connecting pipe 24, wherein one end of connecting pipe 24 is fixedly installed on the outlet of water pump 23;Two flow guide pipe frames 25, wherein two ends of two flow guide pipe frames 25 are respectively installed on one side of connecting pipe 24 and water tank 21 and extend into the inner wall. The existing screw impeller conveying pump 1 is designed with multiple feed ports to improve applicability, for simultaneously or alternately conveying multiple different types of raw materials and materials, in the process of alternately conveying multiple raw materials by screw impeller conveying pump 1, water tank 21 is installed and fixed on base 4 by detachable device 3, so that flow guide pipe frame 25 is fixed on the outer surface of motor end of screw impeller conveying pump 1, water pump 23 can be started at the same time, and semiconductor refrigerating fin 22 is connected to power supply, then water is injected into the inside of water tank 21 from the inlet of water tank 21, semiconductor refrigerating fin 22 reduces the temperature of the surface of water tank 21, so that the water in the inside of water tank 21 is heat-exchanged and cooled when contacting the inner wall of water tank 21, then water pump 23 extracts it into the inside of connecting pipe 24, and flows into the inside of two flow guide pipe frames 25, so that flow guide pipe frame 25 is heat-exchanged and cooled after contacting the outer surface of motor end of screw impeller conveying pump 1, to avoid heat accumulation and overheating of the motor end of screw impeller conveying pump 1, reduce the probability of aging of insulating material and damage of motor, and improve the service life of screw impeller conveying pump 1.

[0032] Figs. 1-4The shown spiral impeller conveying pump 1 is symmetrically fixed on one side of the limiting frame 26, and one end of the flow guide pipe frame 25 is inserted into the inner wall of the limiting frame 26. By setting the limiting frame 26, the one end of the flow guide pipe frame 25 can be limited and supported, so that it is not easy to shake during use. The inner wall of the water tank 21 is symmetrically fixed with a plurality of flow guide plates 27, and the flow guide plates 27 are fixed in the inner wall of the water tank 21 in an inclined staggered manner. By setting the flow guide plate 27, the flow path of the water in the water tank 21 can be prolonged, which facilitates full contact with the inner wall of the water tank 21 and improves the efficiency of heat exchange cooling.

[0033] Figs. 1-4 The shown detachable device 3 includes two support rods 31, wherein one end of the support rod 31 is fixedly installed on the bottom of the water tank 21; two recessed blocks 32, wherein one side of the recessed block 32 is fixedly installed on one side of the base 4, one side of the recessed block 32 is rotatably installed with a limiting rod 33, and one side of the recessed block 32 is fixedly installed with a limiting block 34, wherein one end of the limiting rod 33 is inserted into the inner wall of the limiting block 34, and one end of the support rod 31 is inserted into the inner wall of the recessed block 32. When the replaced and maintained water tank 21 and the flow guide pipe frame 25 are installed on the base 4 and the outer surface of one end of the spiral impeller conveying pump 1, the positions between the two flow guide pipe frames 25 can be sleeved on the outer surface of the motor end of the spiral impeller conveying pump 1, then the support rod 31 is aligned with the inner wall of the recessed block 32 and inserted, finally the limiting rod 33 is rotated to a certain angle, and one side of the limiting rod 33 is inserted and clamped in the inner wall of the limiting block 34, so that the support rod 31 can be limited and fixed, and the support rod 31 is fixed in the inner wall of the recessed block 32, so that the water tank 21 can be fixedly installed on the base 4, which facilitates cooling and temperature reduction of the motor end of the spiral impeller conveying pump 1. Similarly, the water tank 21 can also be disassembled for replacement and storage.

[0034] Figs. 1-4 The inner wall of the shown recessed block 32 is chamfered on both sides, and the chamfers are arranged on both sides of the inlet of the recessed block 32. By setting the chamfer, the area of the inlet of the recessed block 32 can be increased, the support rod 31 can be quickly aligned and inserted, and the installation is convenient. The limiting block 34 is made of magnet material, the limiting rod 33 is made of iron material, and one side of the limiting block 34 is magnetically attracted to one side of the limiting rod 33. By setting the limiting block 34 to be made of magnet material and the limiting rod 33 to be made of iron material, the limiting rod 33 can be inserted into the inner wall of the limiting block 34, and the limiting is more firm. One side of the support rod 31 is fixedly installed with a reinforcing rod 35, and one side of the reinforcing rod 35 is fixedly installed on the bottom of the water tank 21. By setting the reinforcing rod 35, the connecting area between the water tank 21 and the support rod 31 can be increased, so that the connection is more firm and stable.

[0035] Working principle: in order to improve the applicability of the existing spiral impeller conveying pump 1, multiple feed inlets are designed for simultaneously or alternately conveying multiple different types of raw materials and materials, in the process of alternately conveying multiple raw materials by the spiral impeller conveying pump 1, first, the position between the two flow guide pipe frames 25 is sleeved on the outer surface of the motor end of the spiral impeller conveying pump 1, then the support rod 31 is aligned with the inner wall of the recess block 32 and inserted into it, finally, the limiting rod 33 is rotated to a certain angle, so that one side of it is inserted and clamped in the inner wall of the limiting block 34, the support rod 31 can be limited and fixed, and it is fixed in the inner wall of the recess block 32, so that the water tank 21 can be fixed and installed on the base 4, the flow guide pipe frame 25 is fixed on the outer surface of the motor end of the spiral impeller conveying pump 1, the water pump 23 can be started at the same time, and the semiconductor refrigerating fin 22 is connected to the power supply, then water is injected into the water tank 21 from the inlet of the water tank 21, the semiconductor refrigerating fin 22 reduces the temperature of the surface of the water tank 21, so that the water in the water tank 21 exchanges heat with the inner wall of the water tank 21 and reduces the temperature, then the water pump 23 pumps the water into the connecting pipe 24, and then flows into the two flow guide pipe frames 25, so that the flow guide pipe frame 25 exchanges heat with the outer surface of the motor end of the spiral impeller conveying pump 1 after being in contact with the outer surface of the motor end of the spiral impeller conveying pump 1, and the temperature of the flow guide pipe frame 25 is reduced, so that the heat accumulation phenomenon of the motor end of the spiral impeller conveying pump 1 is avoided, the probability of aging of the insulating material and damage of the motor is reduced, and the service life of the spiral impeller conveying pump 1 is prolonged.

[0036] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of claims.

Claims

1. A multi-material conveying pump, including a spiral impeller conveying pump (1), characterized in that: A base (4) is provided on the outer surface of one end of the spiral impeller pump (1), and a cooling device (2) is provided on the outer surface of the motor end of the spiral impeller pump (1). The cooling device (2) can cool the water inside the water tank (21) by heat exchange through the semiconductor cooling chip (22), and then pump it into the interior of the guide tube frame (25) by the water pump (23), so that the guide tube frame (25) can exchange heat with the outer surface of the motor end of the spiral impeller pump (1) for cooling treatment.

2. The multi-material conveying pump according to claim 1, characterized in that: The cooling device (2) includes a water tank (21) and a semiconductor cooling chip (22). A detachable device (3) is provided between one side of the water tank (21) and one side of the base (4). The inner wall of the semiconductor cooling chip (22) is fixedly installed on the outer surface of the water tank (21). A water pump (23) is fixedly installed at the outlet of the water tank (21). A connecting pipe (24) is provided, wherein one end of the connecting pipe (24) is fixedly installed at the outlet of the water pump (23); Two flow guide pipe supports (25), the two ends of which are respectively installed through the connecting pipe (24) and the water tank (21) on one side and extend into the inner wall.

3. A multi-material conveying pump according to claim 2, characterized in that: A limiting frame (26) is symmetrically fixedly installed on one side of the spiral impeller pump (1), and one end of the guide pipe frame (25) is inserted into the inner wall of the limiting frame (26).

4. A multi-material conveying pump according to claim 2, characterized in that: The inner wall of the water tank (21) is symmetrically fixed with several guide plates (27), which are fixed in an inclined and staggered manner in the inner wall of the water tank (21).

5. A multi-material conveying pump according to claim 2, characterized in that: The detachable device (3) includes two support rods (31), one end of which is fixedly installed at the bottom of the water tank (21); Two grooved blocks (32), one side of which is fixedly installed on one side of the base (4), a limit rod (33) is rotatably installed on one side of the grooved block (32), and a limit block (34) is fixedly installed on one side of the grooved block (32), wherein one end of the limit rod (33) is inserted into the inner wall of the limit block (34), and one end of the support rod (31) is inserted into the inner wall of the grooved block (32).

6. A multi-material conveying pump according to claim 5, characterized in that: Both sides of the inner wall of the groove block (32) are chamfered, and the chamfers are set on both sides of the entrance of the groove block (32).

7. A multi-material conveying pump according to claim 6, characterized in that: The limiting block (34) is made of magnet, and the limiting rod (33) is made of iron. One side of the limiting block (34) and one end of the limiting rod (33) are magnetically attracted to each other.

8. A multi-material conveying pump according to claim 6, characterized in that: A reinforcing rod (35) is fixedly installed on one side of the support rod (31), and one side of the reinforcing rod (35) is fixedly installed on the bottom of the water tank (21).